Re: [PING] Re: [PATCH] tree-optimization/100810 - avoid undefs in IVOPT rewrites

2022-04-25 Thread Richard Biener via Gcc-patches
On Tue, Apr 19, 2022 at 1:06 PM Richard Biener via Gcc-patches wrote: > > On Fri, 1 Apr 2022, Richard Biener wrote: > > > The following attempts to avoid IVOPTs rewriting uses using > > IV candidates that involve undefined behavior by using uninitialized > > SSA names. First we restrict the set

[PING] Re: [PATCH] tree-optimization/100810 - avoid undefs in IVOPT rewrites

2022-04-19 Thread Richard Biener via Gcc-patches
On Fri, 1 Apr 2022, Richard Biener wrote: > The following attempts to avoid IVOPTs rewriting uses using > IV candidates that involve undefined behavior by using uninitialized > SSA names. First we restrict the set of candidates we produce > for such IVs to the original ones and mark them as not